Escobal, Pedro Ramon <br/><br/>
Methods of orbit determination/ 
Pedro Ramon Escobal 
 - New York:  John Wiley and sons,  c1965 
 - 463 p.;  23 cm. 
<br/><br/>Includes bibliographical reference and index 
<br/><br/><label>ISBN: </label> $ 17.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orbit mechanisms<br/>Artificial satellites--Orbits<br/>Astrodynamics<br/>Space trajectories
<br/><br/><label>Dewey Class. No.: </label>629.4113